Facultative air-breathing in the genus ; Inhabits small streams with swift current over rocky and sandy bottoms . Active mainly during the night and seeks shelter between rocks, gravel and crevices during the day .
Distinguished from all other species in the genus by the following combination of characters: anterior abdomen covered by plates, except for the area corresponding to the pectoral girdle, which usually lacks plates, when present in this region, plates are relatively small and few; posterior abdomen with a well-developed preanal plate, bordered anteriorly by a series of 3-5 usually polygonal plates; premaxillary and dentary teeth with unequal-sized cusps; uppermost caudal ray not prolonged in a filament; and snout tip with an oval naked area not reaching the last pore of the infraorbital sensory canal .: elongated.
Behavioural data for Rineloricaria Misionera is currently being reviewed.
Diet information for Rineloricaria Misionera is currently being compiled.
Reproduction data for Rineloricaria Misionera is currently being compiled.
Freshwater; demersal. Subtropical South America: Paraná and Uruguay River basins in Argentina.
Occurrence records from the Global Biodiversity Information Facility (GBIF) — 1 records indexed .
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